#!/bin/sh

echo "Is it morning? Please answer yes or no"
read timeofday

case "$timeofday" in
  yes | y | Yes | YES )
      echo "Good Morning"
      echo "Up bright and early this morning"
      ;;
  [nN] )
      echo "Good Afternoon"
      ;;
  * )
      echo "Sorry, answer not recongnized"
      echo "Please answer yes or no"
      exit 1
      ;;
esac

exit 0
